#C5EE3B#C5EE3B

#C5EE3B is a very light, vivid yellow-green. Relative luminance 0.733; OKLCH L 89.0% C 0.198 H 122.1°. Best body text is #000000 at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#C5EE3B
RGB	rgb(197, 238, 59)
HSL	hsl(74, 84%, 58%)
HSV	hsv(74, 75%, 93%)
CMYK	cmyk(17.2%, 0%, 75.2%, 6.7%)
CIE-LAB	lab(88.61, -35.78, 76.09)
CIE-LCH	lch(88.61, 84.09, 115.18°)
OKLab	oklab(88.96% -0.1053 0.1678)
OKLCH	oklch(88.96% 0.198 122.1)
XYZ	xyz(54.3907, 73.3350, 15.4265)
Luminance	0.7333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5EE3B #643BEE

analogous

#EEBD3B #C5EE3B #6BEE3B

triadic

#C5EE3B #3BC5EE #EE3BC5

tetradic

#C5EE3B #3BEEBD #643BEE #EE3B6B

square

#C5EE3B #3BEEBD #643BEE #EE3B6B

split-complementary

#C5EE3B #3B6BEE #BD3BEE

monochromatic

#7FA10E #ACD913 #C5EE3B #D6F373 #E6F8AC

Accessibility & contrast

On white

1.34

#C5EE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.67

#C5EE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EE3B

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5EE3B	#FFFFFF	#000000	##000000
##C5EE3B	1.00	1.34	15.67	15.67
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.67	21.00	1.00	1.00
##000000	15.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCDF09

Deuteranopia (green-blind)

#F7DE4C

Tritanopia (blue-blind)

#D0E2CC

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #c5ee3b;
/* rgb */ color: rgb(197, 238, 59);
/* oklch */ color: oklch(89.0% 0.198 122.1);

Tailwind

colors: {
  custom: {
    50: '#dbf37e',
    500: '#c5ee3b',
    950: '#000000',
  },
}

SCSS

$custom: #c5ee3b;
$custom-light: #dbf37e;
$custom-dark: #000000;

JSON

{
  "hex": "#c5ee3b",
  "rgb": {
    "r": 197,
    "g": 238,
    "b": 59
  },
  "hsl": {
    "h": 73.743,
    "s": 84.038,
    "l": 58.235
  },
  "oklch": {
    "l": 0.88961,
    "c": 0.19809,
    "h": 122.1
  },
  "luminance": 0.73335
}

Semantic roles & 50–950 ramp

primary

#C5EE3B

secondary

#462AA3

accent

#2DFA5C

background

#FEFFFB

surface

#FCFEF2

border

#D5D6CC

text

#15170B

muted

#84857E

Preview Lab

Preview with #C5EE3B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →